Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Salvador de Jujuy, Argentina, where the sun shines brightly in a climate characterized by mild temperatures and high altitudes. Awareness of UV levels is essential for preventing sunburn and safeguarding skin health, as the risk for harmful exposure peaks throughout the day, particularly from 11 AM to 2 PM, when the index can reach levels of 6 and 7. With a distinct climate zone of Cwb, San Salvador de Jujuy experiences significant UV exposure; therefore, staying informed about these levels can help you enjoy the sun responsibly while protecting your skin from damage.
The UV Index data for the day unfolds a dynamic story of solar intensity. Starting at a maximum of 0 at 07:00, the index gradually creeps up to 1 by 08:00 and remains at that level until 09:00. As the sun climbs higher, it peaks at a significant 7 during the noon hours of 13:00 and 14:00, indicating a high risk of harm from unprotected sun exposure. The afternoon brings a slight decrease, with the index dropping to 5 by 15:00 and continuing to decline throughout the evening. By 19:00, it settles back to 0, signaling that the sun's strength has diminished. Overall, this hourly snapshot underscores the importance of sun protection during peak hours, especially between 11:00 and 14:00 when the UV Index is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
During the year, seasonal UV changes show particularly high levels from January to April and again in September to November, characterized by an extreme UV Index of 16-14, with a rapid burn time of just 10 minutes. May to August experience a slight decline, moving to very high and high categories, yet still require caution, especially in May and August with burn times of 15 minutes. Residents and visitors should take extra precautions during the high-risk months of January, February, March, April, September, October, November, and December, by wearing protective clothing, applying sunscreen diligently, and seeking shade, especially during peak sun hours, to minimize the risk of UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buenos Aires UVI | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 14 |
| Rosario UVI | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Mendoza UVI | 15 | 14 | 12 | 8 | 6 | 4 | 5 | 6 | 9 | 12 | 14 | 15 |
| Cordoba UVI | 15 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| San Salvador de Jujuy | 16 | 15 | 14 | 11 | 8 | 6 | 7 | 9 | 11 | 14 | 16 | 16 |